Ich hab grade einen tollen Artikel zum Thema, Windeln tragen und Windeln in der Öffentlichkeit tragen, gefunden.

wikihow - Wear-a-Diaper

Vor allem der letzte Absatz ist gut.

Public Attention when a Diaper Change is Required

Consider what you will do to change that diaper if you are out and about. Cover up those diapers in public settings, as most public people feel the need to wear a diaper is undesirable. Most ordinary street clothes will fit over diapers. Contrary to the idea that baggier clothes are always necessary, close fitting heavy woven pants (like jeans) bode well to compress the diaper and keep the jeans from sagging when wet. Women do well to wear dresses and skirts. Leggings and stockings (as undergarments) help compress the diaper and keep rustling of the diaper from becoming noticeable. Try wearing longer shirt tails tucked in or worn out, as they will hide the high waistline of the diaper..

A body stocking (or onesie, which is a T-shirt which has snaps at the crotch) is a good investment. It needs to fit well because its main function is to hold up a wet or soiled diaper in addition to concealing a diaper.

Plush fabrics like corduroy, velvet, and velveteen are good to wear as accidental leaks will not show. Dark colors (black, brown and navy) are the most desirable aspects of the clothing you will need to wear to cover up that diaper. In addition to the cover-ability, they will have a slimming effect.h habe grade einen interessanten Artikel zum Thema, Windel tragen und sieht man die in der Öffentlichkeit gefunden.
Edit comment: Posten vom Handy aus funzt irgendwie nicht so gut ;-)